Hello from Haiku!
I have no plans to switch over to Haiku as a daily OS. (Not yet, anyways, but maybe one day!) I am running it on physical hardware, though. Specifically, I'm running it on my main laptop on a spare hard drive. WebPositive's a bit laggy, but, otherwise, it feels pretty nice. Maybe one day I will actually be able to run it instead of Arch.
Oddly, though, the YouTube video I had open in the screenshot played fine. It didn't studder or anything like that. The page itself felt awful, but the video worked no problem.
(And, incidentally, no, it wasn't just that I was playing a youtube video. I've closed it and this still feels awful.)